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diff --git a/libstdc++-v3/testsuite/23_containers/deque/allocator/move_assign-2.cc b/libstdc++-v3/testsuite/23_containers/deque/allocator/move_assign-2.cc
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+++ b/libstdc++-v3/testsuite/23_containers/deque/allocator/move_assign-2.cc
@@ -0,0 +1,78 @@
+// Copyright (C) 2012-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-do compile }
+// { dg-options "-std=gnu++11 -fno-access-control" }
+
+// libstdc++/52591
+
+#include <deque>
+#include <memory>
+#include <type_traits>
+
+
+// As an extension we allow move-assignment of std::deque when the element
+// type is not MoveAssignable, as long as the allocator type propagates or
+// is known to always compare equal.
+
+struct C
+{
+ C& operator=(C&&) = delete;
+};
+
+template<typename T>
+struct A1 : std::allocator<T>
+{
+ template<typename U> struct rebind { typedef A1<U> other; };
+
+ A1() = default;
+ template<typename U> A1(const A1<U>&) { }
+
+ using propagate_on_container_move_assignment = std::true_type;
+};
+
+void test01()
+{
+ using test_type = std::deque<C, A1<C>>;
+ static_assert(std::is_move_assignable<test_type>::value,
+ "deque is move-assignable if allocator propagates");
+}
+
+template<typename T>
+struct A2 : std::allocator<T>
+{
+ template<typename U> struct rebind { typedef A2<U> other; };
+
+ A2() = default;
+ template<typename U> A2(const A2<U>&) { }
+
+ using propagate_on_container_move_assignment = std::false_type;
+};
+
+namespace __gnu_cxx
+{
+ template<typename T>
+ struct __allocator_always_compares_equal<A2<T>> : std::true_type
+ { };
+}
+
+void test02()
+{
+ using test_type = std::deque<C, A2<C>>;
+ static_assert(std::is_nothrow_move_assignable<test_type>::value,
+ "deque is nothrow move-assignable if allocator is always equal");
+}